13219791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7883}}^1$

素因数の和:7942

約数の個数: 16

約数和(自身を含む): 19426176

約数和(自身を除く): 6206385

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 7883, 23649, 102479, 307437, 338969, 1016907, 4406597, 13219791]

約数ペア:

[(1, 13219791), (3, 4406597), (13, 1016907), (39, 338969), (43, 307437), (129, 102479), (559, 23649), (1677, 7883)]